US12539492B2ActiveUtilityA1
Exhaust gas treatment and monitoring system for a medical waste disposal equipment
Assignee: ZHEJIANG WEIDUN ENVIRONMENTAL TECH CO LTDPriority: Apr 7, 2024Filed: Apr 7, 2025Granted: Feb 3, 2026
Est. expiryApr 7, 2044(~17.7 yrs left)· nominal 20-yr term from priority
B01D 2258/02B01D 2257/90B01D 2257/708B01D 2257/406B01D 2257/40B01D 2257/306B01D 2257/304B01D 53/74B01D 53/346B01D 53/44B01D 2257/7027B01D 2257/30B01D 49/00B01D 53/30G01N 15/06G01N 33/0004
58
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0
Cited by
16
References
4
Claims
Abstract
An exhaust gas treatment and monitoring system for a medical waste disposal equipment includes: an exhaust gas treatment device configured to receive and treat exhaust gas generated by the medical waste disposal equipment; a monitoring device configured to monitor VOCs, particulate matter, and odorous pollutants in the exhaust gas in real-time and generate corresponding monitoring data; and a control device. The control device includes: a data receiving module, which is used for receiving the monitoring data; an analysis and processing module configured to analyze and process the received monitoring data; an optimization module configured to generate optimization solutions based on analysis results of the monitoring data; and a control module configured to control the operating parameters of the exhaust gas treatment device based on the generated optimization solution.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . An exhaust gas treatment and monitoring machine for a medical waste disposal equipment, wherein the exhaust gas treatment and monitoring machine comprises:
an exhaust gas treatment device configured to receive and treat exhaust gas generated by the medical waste disposal equipment; a monitoring device configured to monitor VOCs, particulate matter, and odorous pollutants in the exhaust gas in real-time and generate corresponding monitoring data; and a control device comprising: a data receiving module, which is used for receiving the monitoring data; an analysis and processing module configured to analyze and process the received monitoring data; an optimization module configured to generate optimization solutions based on analysis results of the monitoring data; and a control module configured to control the operating parameters of the exhaust gas treatment device based on the generated optimization solution; wherein the generation of optimization solutions based on the analysis results of the monitoring data comprises: defining the minimization of the emission concentrations of VOCs, particulate matter, and odorous pollutants as the optimization objective; determining chemical reagent dosage, reaction temperature and reaction time of the exhaust gas treatment device as decision variables; constructing an objective function of the optimization goal, wherein the objective function is:
J
(
X
)
=
ω
1
·
C
VOCs
(
x
1
,
x
2
,
x
3
)
+
ω
2
·
C
particulate
matter
(
x
1
,
x
2
,
x
3
)
+
ω
3
·
C
odor
(
x
1
,
x
2
,
x
3
)
(
1
)
wherein, J (X) is the objective function of the optimization goal, C VOCs (x 1 , x 2 , x 3 ) is the VOCs concentration function, C particulate matter (x 1 , x 2 , x 3 ) is the particulate matter concentration function, C odor (x 1 , x 2 , x 3 ) is the odorous pollutants concentration function, x 1 is the chemical reagent dosage, x 2 is the reaction temperature, x 3 is the reaction time, ω 1 , ω 2 and ω 3 are the weight coefficients;
determining constraint conditions, wherein the constraint conditions are:
{
x
1
_
min
≤
x
1
≤
x
1
_
max
x
2
_
min
≤
x
2
≤
x
2
_
max
x
3
_
min
≤
x
3
≤
x
3
_
max
C
VOCs
(
x
1
,
x
2
,
x
3
)
≤
C
VOCs
_
standard
C
particulate
matter
(
x
1
,
x
2
,
x
3
)
≤
C
particulate
matter
_
standard
C
odor
(
x
1
,
x
2
,
x
3
)
≤
C
odor
_
standard
(
2
)
wherein, x 1_min is the minimum value of the chemical reagent dosage, x 1_max is the maximum value of the chemical reagent dosage; x 2_min is the minimum value of the reaction temperature, x 2_max is the maximum value of the reaction temperature; x 3_min is the minimum value of the reaction time, x 3_max is the maximum value of the reaction time; C VOCs_sandard is the VOCs emission standard limit, C particulate matter_standard is the particulate matter emission standard limit, C odor_standard is the odorous pollutants emission standard limit;
the formula for C VOCs (x 1 , x 2 , x 3 ) is:
C
VOCs
(
x
1
,
x
2
,
x
3
)
=
a
x
1
·
e
-
b
·
x
2
·
log
(
c
·
x
3
)
(
3
)
wherein, a, b and c are all coefficients;
the formula for C particulate matter (x 1 , x 2 , x 3 ) is:
C
particulate
matter
(
x
1
,
x
2
,
x
3
)
=
d
0
x
1
·
(
1
+
d
1
·
e
-
d
2
·
x
2
-
d
3
·
log
(
x
3
)
)
(
4
)
wherein, d 0 , d 1 , d 2 and d 3 are all coefficients;
the formula for C odor (x 1 , x 2 , x 3 ) is:
C
o
d
o
r
(
x
1
,
x
2
,
x
3
)
=
e
0
x
1
·
(
1
+
e
1
·
e
-
e
2
·
x
2
-
e
3
·
x
3
)
(
5
)
wherein, e 0 , e 1 , e 2 and e 3 are all coefficients;
a multi-objective particle swarm optimization is used for computing the objective function, resulting in the optimal parameter combination, which is then used for controlling the operation of the exhaust gas treatment device.
2 . The exhaust gas treatment and monitoring machine for a medical waste disposal equipment according to claim 1 , wherein the multi-objective particle swarm optimization is used for computing the objective function, resulting in the optimal parameter combination, which comprises:
initializing particle swarm: set the parameters, randomly initialize the particles, and initialize the personal best and global best, wherein the dimension of the particles in the set parameters corresponds to the number of chemical reagent dosage, reaction temperature, and reaction time of the exhaust gas treatment device; evaluating particle fitness: calculate the fitness of each particle and update the personal best and global best; updating particle velocity and position: update the velocity of each particle and calculate the new position of the particle based on the updated velocity; checking termination conditions: check whether the termination conditions are met, if the termination conditions are met, proceed to the next step; if the termination conditions are not met, return to the step of evaluating particle fitness and continue the iteration; and outputting the optimal parameter combination: output the position and fitness information of the global best.
3 . The exhaust gas treatment and monitoring machine for a medical waste disposal equipment according to claim 2 , wherein the termination conditions comprise a preset maximum number of iterations is reached, the solution quality satisfies the preset threshold, or the solution has converged.
4 . The exhaust gas treatment and monitoring machine for a medical waste disposal equipment according to claim 1 , wherein VOCs comprise one or more of the VOCs from the exhaust gas emission outlets and one or more of the VOCs from fugitive emissions; and/or,
particulate matter comprises one or more of the particulate matters from the exhaust gas emission outlets and one or more of the particulate matter from fugitive emissions; and/or, odor pollutants comprise one or more of ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, dimethyl sulfide, dimethyldisulfide, carbon disulfide, and styrene.Cited by (0)
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